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'2,7 J 40A
o Six full duplex modem/terminal channels
o EIA RS-232-C AND CCITT V.28 compatability
o Selectable number of bits/char: 5,6,7, or 8 plus parlity
o Selectable number of stop bits: 1,1.5,2
o Two transmission modes: full duplex hardwire or modem
o Selectable parity: None, odd, or even
o Internal clock
o Programmable baud rate: 50,75,110,134.5,150,300,600,900,
1200,1800,2400,3600,4800,7200,
9600, or 19200. Default is 9600
o Break detection and generation
o Programmable device controlled X-ON/X-OfF handshaking
o On board self-test which will automatically test rrontplane
circuitry if test hood is present
o Timer for various modem functions
o Optional interrupt for asynchronus event sensed
/ e-RIVlIN/t l Id A ND~ 1-/ A 1== IN 6
X-ON/X' oFF
-f} f1evi r~~ PC{ c.es
x- OFF
-QTo 13 +0 r-l- )( VV\l +; x- 01\/
~ ~ n&.ov- t;e Y\~ S EN Q -10 rcr LII e~'+ 'S~~ r t
~ R~celvev- 'respovu:is w;-+ ~ ,Ac ~
CONTROL
Card Common
Abbr Abbr. Description
I RO RO Received Data
N CS CTS ~(t\~ Clear To Send
p RR coc,~r Receiver Ready (Received Line Signal Detect)
U OM OSR Data Mode (Data Set Ready)
T IC RI Incoming Call (Ring Indicator)
S
0 SO SO Tra ns mit ted Da t a
U RS RTS Request To Send
T TR DTR Data Terminal Ready
p SR SR Frequency Select
U
T
S
SG Signa I Ground
Modem Line Definitions
OM: Locq\ VV\.c!> cR.r;; ~ i So re~dy
~R~ ~ ~Mo+e t""-~~fr\- ,-s re~'y
~Il